853428349 has 2 divisors, whose sum is σ = 853428350. Its totient is φ = 853428348.

The previous prime is 853428281. The next prime is 853428371. The reversal of 853428349 is 943824358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 823288249 + 30140100 = 28693^2 + 5490^2 .

It is a cyclic number.

It is not a de Polignac number, because 853428349 - 2²¹ = 851331197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 853428299 and 853428308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (853428049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426714174 + 426714175.

It is an arithmetic number, because the mean of its divisors is an integer number (426714175).

Almost surely, 2^853428349 is an apocalyptic number.

It is an amenable number.

853428349 is a deficient number, since it is larger than the sum of its proper divisors (1).

853428349 is an equidigital number, since it uses as much as digits as its factorization.

853428349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 46.

The square root of 853428349 is about 29213.4960078386. The cubic root of 853428349 is about 948.5400841188.

The spelling of 853428349 in words is "eight hundred fifty-three million, four hundred twenty-eight thousand, three hundred forty-nine".